Question
Issue: [Fix] Protection definition update failed error code: 2147023293
Hello. I have tried to install Windows updates but the process fails and I receive this message – “Protection definition update failed error code: 2147023293.” How do I fix this?
Solved Answer
Windows is certainly the most operating system in the world. People love it for its user friecly interface, customization abilities, and built-in troubleshooters that make fixing minor system issues easy. Microsoft also often releases updates that keep the system secure, and running smoothly.
However, for whatever reasons sometimes the updates fail to install. Recently, users encountered the “Protection definition update failed error code: 2147023293” message when trying to download the latest updates. The issue seems to be caused by Microsoft Defender, a security system for Windows.[1]
Sometimes, the updates fail to install because of corrupted files, memory issues, or Windows service malfunction. In this guide, you will find 6 steps that could help you fix the Protection definition update failed error code: 2147023293 so you can install the needed updates.
Manual troubleshooting can be a lengthy process, so you can use a maintenance tool like RestoroMac Washing Machine X9 that can fix most system errors, BSODs,[2] corrupted files, and registry[3] issues. This powerful software can also clear cookies and cache automatically, which are often the culprits of many malfunctions. Otherwise, follow the steps in the guide below carefully.
Method 1. Fix Corrupted System Files
Use Command Prompt commands to repair system file corruption:
- Open Command Prompt as administrator
- Use the following command and press Enter:
sfc /scannow
- Reboot your system
- If SFC returned an error, then use the following command lines, pressing Enter after each:
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
Method 2. Restart Windows Defender Services
- Press Windows + R to open the Run dialog box
- Type services.msc and press Enter
- Navigate to the Windows Defender individual services
- Right-click on each service and open the Properties of each service separately
- Verify that the startup type for the services is set to Automatic
- If any service is stopped, start it
- Restart your computer
Method 3. Repair Windows Defender
- Open Windows PowerShell (Admin)
- Copy-paste the below command and hit Enter:
Get-AppxPackage *SecHealthUI* -allusers | foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\\AppxManifest.xml”}
- When the process is finished, restart your PC and Check for Updates again
Method 4. Manually Update Windows Defender
- Download the installer from the official Microsoft website
- Double-click on mpam–fe.exe to launch it
- Follow the prompts to install the update
- Restart your computer
Method 5. Reset Your PC
- Press Windows key + I to open the Settings app
- Then select Update & Security from the menu
- Select Recovery in the left panel
- Click on the Get Started button under the Reset this PC section
- Choose to Keep my files and click Next
- Click Reset to begin the process. Wait for a while, your computer will begin to install Windows.
Method 6. Perform a Repair Upgrade
- To begin, download Windows 10 installation media from the official Microsoft website
- Right-click the downloaded file, and choose Run as Administrator
- Choose Upgrade This PC Now, and the procedure will begin
- Answer any needed questions
- The procedure will take around an hour to complete, and your PC will restart several times
- When the process is finished, check if the issue was solved
Repair your Errors automatically
ugetfix.com team is trying to do its best to help users find the best solutions for eliminating their errors. If you don't want to struggle with manual repair techniques, please use the automatic software. All recommended products have been tested and approved by our professionals. Tools that you can use to fix your error are listed bellow:
Prevent websites, ISP, and other parties from tracking you
To stay completely anonymous and prevent the ISP and the government from spying on you, you should employ Private Internet Access VPN. It will allow you to connect to the internet while being completely anonymous by encrypting all information, prevent trackers, ads, as well as malicious content. Most importantly, you will stop the illegal surveillance activities that NSA and other governmental institutions are performing behind your back.
Recover your lost files quickly
Unforeseen circumstances can happen at any time while using the computer: it can turn off due to a power cut, a Blue Screen of Death (BSoD) can occur, or random Windows updates can the machine when you went away for a few minutes. As a result, your schoolwork, important documents, and other data might be lost. To recover lost files, you can use Data Recovery Pro – it searches through copies of files that are still available on your hard drive and retrieves them quickly.
Ugnius Kiguolis is the founder and editor-in-chief of UGetFix. He is a professional security specialist and malware analyst who has been working in IT industry for over 20 years.
- ^ Microsoft Defender Antivirus in Windows. Microsoft. Documentation.
- ^ Chris Hoffman. Everything You Need To Know About the Blue Screen of Death. Howtogeek. Technology Magazine.
- ^ Tim Fisher. What Is the Windows Registry?. Lifewire. Software and Apps.
